(19)
(11) EP 3 971 056 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.07.2022 Bulletin 2022/28

(43) Date of publication A2:
23.03.2022 Bulletin 2022/12

(21) Application number: 21193190.2

(22) Date of filing: 26.08.2021
(51) International Patent Classification (IPC): 
B62D 5/04(2006.01)
(52) Cooperative Patent Classification (CPC):
B62D 5/0481; B62D 5/0484; B62D 5/046
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 28.08.2020 JP 2020144403

(71) Applicants:
  • JTEKT Corporation
    Kariya-shi, Aichi-ken, 448-8652 (JP)
  • TOYOTA JIDOSHA KABUSHIKI KAISHA
    Toyota-shi, Aichi-ken, 471-8571 (JP)

(72) Inventors:
  • KAJISAWA, Yuuta
    Kariya-shi, Aichi-ken,, 448-8652 (JP)
  • SATO, Fumihiko
    Kariya-shi, Aichi-ken,, 448-8652 (JP)
  • YAMASHITA, Masaharu
    Toyota-shi, Aichi-ken,, 471-8571 (JP)
  • SATOU, Atsushi
    Toyota-shi, Aichi-ken,, 471-8571 (JP)
  • OKUDA, Masataka
    Toyota-shi, Aichi-ken,, 471-8571 (JP)
  • MIKIDA, Toshiyuki
    Toyota-shi, Aichi-ken,, 471-8571 (JP)
  • HANZAWA, Hiroaki
    Toyota-shi, Aichi-ken,, 471-8571 (JP)

(74) Representative: Winter, Brandl - Partnerschaft mbB 
Alois-Steinecker-Straße 22
85354 Freising
85354 Freising (DE)

   


(54) ELECTRIC POWER SOURCE DEVICE


(57) An electric power source device (5) includes an auxiliary electric power source (41) for a main electric power source (6) that supplies electric power to electric power supply targets, including an electric circuit (52) of a control system for controlling a specific control target and an electric circuit (51) of a power system that requires larger electric power than the electric circuit (52) of the control system; and a selection circuit configured to supply the electric power from one electric power source having a higher voltage, out of the main electric power source (6) and the auxiliary electric power source (41), to at least the electric circuit (52) of the control system among the electric power supply targets.







Search report









Search report